/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package sgt.supermarket.controller.product;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import sgt.supermarket.controller.XServlet;
import sgt.supermarket.entity.Product;
import sgt.supermarket.hibernatedao.HibernateDAOFactory;
import sgt.supermarket.util.ServletExtensions;

/**
 *
 * @author Administrator
 */
public class SearchProduct extends XServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String keyword = ServletExtensions.getStringParam(request, "q");
        List<Product> products;
        if (!keyword.isEmpty()) {
            HibernateDAOFactory factory = new HibernateDAOFactory();
            products = factory.getProductDAO().getByKeyword(keyword);
            if (products.size() == 0) {
                request.setAttribute("msg", "Product not found");
            } else {
                request.setAttribute("msg", String.format("%d product(s) found", products.size()));
            }
        } else {
            products = new ArrayList<Product>();
            request.setAttribute("msg", "");
        }
        request.setAttribute("title", "Search products");
        request.setAttribute("productsCount", new Integer(products.size()));
        request.setAttribute("products", products);
        request.setAttribute("keyword", keyword);
        request.getRequestDispatcher("/product.searchProduct.tiles").forward(request, response);
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
